Cheap tds meter!

[Mattl22]

I bought a 20$ tds meter about a year ago and just recently after struggling with dinos decided to check it turns out to be off by how much not sure but tried to calibrate it with solution not even close and wouldnt adjust !So I'm in the market for a new one
Which one should I get?
I'm thinking about buying a new rodi r the inline tds meters accurate ? I'm thinking fire and ice ?
Any reccomendationg
Using a 50 gps coralife with new filters was getting 0 with old meter but suspect it's not accurate

 

[LatinP]

In line tds meters are x1000 times more accurate than any other kind because theres no chance of contaminating the sample of water being read.

 

[Mattl22]

Which one should I get

 

[DEL]

I got my in line tds meter from air water ice. Cheap, reliable, great service as well.

 

[Mattl22]

I'd think I'd like to go with Hanna tds meter not interested in a cheap one wanna know for sure I'm getting 0 tds


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